Memory Upgrades

Qualified for Apple Mac Pro

All OWC Memory for Mac Pro is built with the best components and fully tested and backed by OWC's industry leading lifetime advance replacement Warranty. Exclusive OWC Installation Videos show how easy it is to upgrade your Mac Pro too! Watch VideosPDF Manual

FB DIMM technology takes advantage of multiple channel access. Apple recommends the use of 4 or more modules to take advantage of this 256-Bit Wide memory architecture. Modules must be installed in pairs, each module is 64 Bits Wide + 8 Bits for Error Correction (ECC).

667MHz ECC Mac Pro Memory Information

8 Total Slots, 32GB Supported

Must Upgrade using Matched Pairs

DDR2 240 Pin Fully-Buffered DIMM

72 Bit (64 bit + 8 bit ECC)

Mac Pro Specific Heatsink on Module

Four or More FB-DIMMs installed provides for best performance

FB DIMM technology takes advantage of multiple channel access. Apple recommends the use of 4 or more modules to take advantage of this 256-Bit Wide memory architecture. Modules must be installed in pairs, each module is 64 Bits Wide + 8 Bits for Error Correction (ECC).

OWC 4GB modules require that all installed modules be of the same p/n OWC 4GB modules. Other existing Apple or 3rd party 1GB, 2GB, 8GB and 16GB modules are not supported for use with these kits and need to be removed when these modules are added.

OWC 8GB modules require that all installed modules be of the same p/n OWC 8GB modules. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 16GB modules are not supported for use with these kits and need to be removed when these modules are added.

OWC 16GB modules require that all installed modules be of the same p/n OWC 16GB modules. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 8GB modules are not supported for use with these kits and need to be removed when these modules are added.

Apple Mac Pro 2013 models utilize ECC non-Registered for 4GB and 8GB per slot options and ECC Registered for 16GB (and larger) per slot options. Any existing 4GB and 8GB ECC non-Registered modules cannot be mixed with 16GB and larger ECC-Registered modules and will need to be removed in order to utilize these higher density memory upgrade options.

Apple Mac Pro 2013 models utilize ECC non-Registered for 4GB and 8GB per slot options and ECC Registered for 16GB (and larger) per slot options. Any existing 4GB and 8GB ECC non-Registered modules cannot be mixed with 16GB and larger ECC-Registered modules and will need to be removed in order to utilize these higher density memory upgrade options.

Special 32GB module use information: Due to processor design and memory architectures, 32GB module utilization occurs at a bus speed of 1066MHz with Apple Mac Pro 2013 E5-16XXv2 4-Core, 6-Core, and 8-Core processor equipped models, 800MHz with factory 12-Core or after-market E5-26XX equipped models. Utilization of 2 or more 32GB modules minimum is recommended and utilization of overall performance with applications and workflows able to utilize higher available memory remains exceptional.

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Please select a Mac Pro system above to view memory options

OWC Memory for Apple Mac Pro models

Fully meets and/or exceeds both JEDEC and Apple Design Specifications including use of
specific required heat-shield and chip components.

*16GB Module Sets require that all installed modules be of the same p/n OWC 16GB modules. 16GB modules do not mix with other density (1GB, 2GB, 4GB or 8GB) module types.

**Mac OS X versions prior to 10.9 Mavericks are unable to utilize more then 96GB RAM due to an operating system limitation. 128GB can be fully utilized by a 2009-2010 Mac Pro if running 10.9 Mavericks or later, Bootcamp with 64-bit versions of Windows XP and later as well as with 64-bit versions of Linux.

*16GB Module Sets require that all installed modules be of the same p/n OWC 16GB modules. 16GB modules do not mix with other density (1GB, 2GB, 4GB, or 8GB) module types.

**Mac OS X versions prior to 10.9 Mavericks are unable to utilize more then 96GB RAM due to an operating system limitation. 128GB can be fully utilized by a 2009-2010 Mac Pro if running 10.9 Mavericks or later, Bootcamp with 64-bit versions of Windows XP and later as well as with 64-bit versions of Linux.

OWC Memory is Backed by a 30 Day Money-Back Guarantee and a Lifetime Advance Replacement. Warranty/Guarantee. Click for details

What to do withthe replaced memory?

OWC will give you a trade in rebate when you send us the Apple Memory you have replaced with upgrades from Other World Computing. Trade in rebates available within 60 days of purchase. Click for details

MAXRAM is a trademark of New Concepts Development Corporation, registered in the U.S. Patent and Trademark Office. Apple, Mac Pro and Xserve are trademarks of Apple Inc., registered in the U.S. and other countries. Other marks may be the trademark or registered trademark property of their owners.